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Wed, 12 Aug 2026 01:55:13 -0700 (PDT) X-Received: by 2002:a17:90b:3802:b0:38e:5c6:4db9 with SMTP id 98e67ed59e1d1-39301490a5emr3605632a91.11.1786524913227; Wed, 12 Aug 2026 01:55:13 -0700 (PDT) Received: from [10.217.219.92] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-392f908a82bsm2808212a91.0.2026.08.12.01.55.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Aug 2026 01:55:12 -0700 (PDT) Message-ID: Date: Wed, 12 Aug 2026 14:25:04 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/7] soc: qcom: geni-se: Add helper to set SE clock rate via OPP To: Praveen Talari , konrad.dybcio@oss.qualcomm.com, Sudeep Holla , Cristian Marussi , Ulf Hansson , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Mark Brown , Viken Dadhaniya , Andi Shyti Cc: chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org References: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-0-61171ab1cdce@oss.qualcomm.com> <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: W62nmm-KDAs4UoZ46wqqS-7I3TEuUDdC X-Proofpoint-Spam-Info: AW1haW4tMjYwODEyMDA3MCBTYWx0ZWRfX+L2IMXRn4h7o HdAeWwi+W1sqCKp8DvA0uBC6qUmwL+Po8HtulE234PM1mztGbxmAA2sGTYZTT9ga4JsiWeP1gpJ RPT20mUjrTi+JBcqdTubarKxdEj+4Oo= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEyMDA3MCBTYWx0ZWRfXzuifUbfnw4Nd INVb7+FvqrxEzVSwa/Sl98jOvbYmBDcr7YEK5zIV9IejJGlPvfJxmDVgoO56NwURRXRKTYfYeOr Q3lvZxpERJy+EBgFb+ieqf1RAyC4QgkyBx9zRwVIqCxX06hr5j4IN/IB4f2Vuc9tl+gPyQrxG9f GbkAGyAwXxAPTwyBY7vX1XqPAxXpJxYfE/CnOsWFQAqUV209auZSorgYkSzMIN7TlSCl9ok/ZEW cVYpJgDjW9ZgttHVxnWkTvanb/k6q45Vw3aFPtJsKJx86mNP3MCxsZlEbyLzYNi0JeHhMybMMG+ fjTnGJ30RKHUKZXKrdUmcadVAlRjIZjM+5LALN/nFfKv90duP3QV7fLgiTsZ6r+KSYEoSzkF8o9 gJIq0zyGqbYXrDjbywnf+Dpoiedqe1pDM9Uimg1M8OyumXBG1bTn8hGhjzEnU/DHJLNk3U/53Vo iuh8rKZP6XFbCBRC9MA== X-Authority-Analysis: v=2.4 cv=Z7Dc2nRA c=1 sm=1 tr=0 ts=6a7c34f2 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=9aiwZt7zaXvVnErAyWsA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-ORIG-GUID: W62nmm-KDAs4UoZ46wqqS-7I3TEuUDdC X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-12_02,2026-08-10_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 bulkscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608120070 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260812_015515_310203_E20456F6 X-CRM114-Status: GOOD ( 14.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/5/2026 1:27 AM, Praveen Talari wrote: > GENI protocol drivers need a common way to scale the SE source clock > through the OPP framework. However, the device that owns the OPP table > differs depending on how the SE resources are managed. For Linux clock > managed platforms, the OPP table is associated with the SE device, > whereas on firmware-managed platforms it is associated with the > performance power-domain device. This requires protocol drivers to be > aware of the underlying resource management model when requesting > frequency changes. > > Introduce geni_se_set_rate(), a common helper that abstracts this > difference and applies the requested frequency through the appropriate > device. The helper automatically selects the performance-domain device > when power domains are attached and falls back to the SE device > otherwise. > > Signed-off-by: Praveen Talari > --- Acked-by: Mukesh Savaliya